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Finding the Fourth Proportional to 104,508.84, 144,223.24 and 56,763.12

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Solution

The fourth proportional to 104,508.84, 144,223.24 and 56,763.12 is: 78,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,508.84 : 144,223.24 = 56,763.12 : x
  2. Step 2: Convert to fraction form
    104,508.84/144,223.24 = 56,763.12/x
  3. Step 3: Cross multiply
    104,508.84x = 144,223.24 × 56,763.12
  4. Step 4: Simplify right side
    104,508.84x = 8,186,561,078.91
  5. Step 5: Solve for x
    x = 8,186,561,078.91/104,508.84
  6. Step 6: Final answer
    x = 78,333.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.